No problem. It seems to happen every time, workaround is just to fix the
NPE.
On Wed, Sep 25, 2019, 3:41 AM Jonathan Gallimore <
jonathan.gallim...@gmail.com> wrote:
> Hi
>
> Thanks for reporting this. I haven't tried your code, and I'll give it a go
> today - does this happen consistently or randomly when accessing this
> endpoint?
>
> Jon
>
> On Wed, Sep 25, 2019 at 12:50 AM Kean Erickson <kean.erick...@gmail.com>
> wrote:
>
> > I would file this in JIRA but I'm having login troubles at the minute, I
> > want to put this here in case I forget because it definitely seems like a
> > bug, albeit one that only happens in a buggy usecase. The line "for
> (String
> > s : stuffs)" below creates an NPE, but the problem is that the response
> is
> > sent back with as a 200 and a clipped body.. which is simply "[{". It
> > stopped generating the response body when the property getter method was
> > hit.
> >
> >
> > My resource:
> >
> >
> > @GET
> > @ApiOperation(value = "Get stuff")
> > @Produces(MediaType.APPLICATION_JSON)
> > public List<TestDO> list(@Context HttpServletResponse response) {
> > TestDO stuff = new TestDO();
> > stuff.setId(1);
> >
> > List<TestDO> things = new ArrayList<>();
> > things.add(stuff);
> > return things;
> > }
> >
> > My data object:
> >
> > @XmlRootElement(name = "Test")
> > @XmlAccessorType(XmlAccessType.FIELD)
> > @ApiModel(value = "Test", description = "Test object")
> > public class TestDO {
> >
> > private int id;
> > private List<String> stuffs = null;
> >
> > /**
> > * Empty constructor, required by JAXB.
> > */
> > public TestDO() {
> > }
> >
> > public TestDO(int id, String stuffs) {
> > this.id = id;
> > }
> >
> > public int getId() {
> > return id;
> > }
> >
> > public void setId(int id) {
> > this.id = id;
> > }
> >
> > public List<String> getStuffs() {
> > for (String s : stuffs)
> > System.out.println(s);
> > return stuffs;
> > }
> >
> > public void setStuffs(List<String> stuffs) {
> > this.stuffs = null;
> > }
> >
> > }
> >
> >
> >
> > This error is shown in log when this happens:
> >
> > 24-Sep-2019 16:42:53.779 SEVERE [ouc5]
> > org.apache.cxf.jaxrs.utils.JAXRSUtils.logMessageHandlerProblem Problem
> with
> > writing the data, class java.util.ArrayList, ContentType:
> application/json
> >
>
